Your home's air quality may seem just fine, especially if you don't notice any less-than-fresh odors when you step inside. But you could be breathing in a lot of things you're probably not going to be super excited about—including particulate matter, chemicals, and noxious gases—that are a result of the things you do and use every single day.

But even if you can't see or smell these pollutants, they can do some serious damage to your health—as studies have linked them with a number of serious health issues, from heart attacks and strokes to cancer to neurological issues, says Richard Corsi , dean of the College of Engineering at University of California, Davis, who focuses his research on indoor air quality.

Types of Air Pollutants

Particulate matter Think dust, but also finer partic

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